Atrazine mercapturate, 100 µg/ml, Acetonitrile,

2-Anilino-6-(dibutylamino)-3-methylfluoran, >99%, 100mg

Iopamidol, 100µg/ml in MeOH, 1ml

2,3',4,4'-Tetrabromodiphenyl ether, 50µg/ml IO,1ml